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Finding your perfect fit is easy!
Our size chart is based on body measurements (not garment measurements).
How to Measure
- Bust – Measure around the fullest part of your chest.
- Waist – Measure at the slimmest part of your natural waistline (above your navel, below your ribcage).
- Hip – Measure around the widest part of your hips, at the top of the legs.
INTL | AU Size | Bust (cm) | Waist (cm) | Hip (cm) |
---|---|---|---|---|
XXS – XS | 6 | 81 | 64 | 91 |
S | 8 | 86 | 69 | 96 |
M | 10 | 91 | 74 | 101 |
M | 12 | 96 | 79 | 106 |
L | 14 | 101 | 84 | 111 |
XL | 16 | 106 | 89 | 116 |
XXL | 18 | 111 | 94 | 121 |
INTL | US Size | Bust (in) | Waist (in) | Hip (in) |
---|---|---|---|---|
XXS – XS | 2 | 31.9 | 25.2 | 35.8 |
S | 4 | 33.9 | 27.2 | 37.8 |
M | 6 | 35.8 | 29.1 | 39.8 |
M | 8 | 37.8 | 31.1 | 41.7 |
L | 10 | 39.8 | 33.1 | 43.7 |
XL | 12 | 41.7 | 35.0 | 45.7 |
XXL | 14 | 43.7 | 37.0 | 47.6 |
Fit Tip: Boom Shankar sizing tends to be a little more generous than standard Australian sizing, especially for our non-stretch fashion pieces—so you can move comfortably and feel fabulous.
AU | UK | US | EU | IT |
---|---|---|---|---|
6 | 6 | 2 | 34 | 38 |
8 | 8 | 4 | 36 | 40 |
10 | 10 | 6 | 38 | 42 |
12 | 12 | 8 | 40 | 44 |
14 | 14 | 10 | 42 | 46 |
16 | 16 | 12 | 44 | 48 |
18 | 18 | 14 | 46 | 50 |







The Boom Shankar Smile Cap is a unisex corduroy cap with our signature Boom Smile embroidered on the front and SMILEFORASMILE text on the back in blue stitching against a khaki base.
When you purchase a SMILE Cap, we donate $5 directly to Forget Me Not Australia who work in Nepal, Uganda and India to help reunite trafficked kids with their families. Learn more about the SMILE for a SMILE campaign HERE.
100% polyester main, 100% cotton lining.
Fit notes: One size fits most.
Care Instructions
Cold gentle hand wash separately using mild detergent. Do not bleach. Do not soak. Do not tumble dry. Lay flat in shade to dry. Cool iron on reverse if needed. Do not dry clean. Designed in Australia. Made in China.
We hope you absolutely love your Boom Shankar purchase, but if it’s not quite right, we’re here to help with a hassle-free, no-handling-fee returns process. Below you’ll find our returns, exchanges, and faulty item policies for all our customers.
- Australia → 35 days from delivery to return.
- NZ & USA → 45 days from delivery to return.
- Items must be unworn, unwashed, with tags.
- Full price items → refund, exchange or store credit.
- Sale & promo items → exchange or store credit only.
- Final Sale → no returns unless faulty.
- Australia → $10 Aus Post label for change of mind.
- NZ & USA → change of mind returns at customer’s expense.
- Faulty items → returns & shipping covered by us.
- Instant Exchanges available for NZ & USA.
We ship fast from our sunny Noosaville, QLD warehouse, aiming to dispatch orders within 2–3 business days (allow 3–5 extra days during peak sale periods). You’ll receive tracking details once your order is on its way.
Region | Service | Delivery Time | Cost | Notes |
---|---|---|---|---|
AUS Flat Rate | Standard (AusPost) | 3–8 business days | FREE over $99 AUD; $10 AUD under | |
AUS Express | Express (AusPost) | 1–3 business days | $15 AUD | Dispatch priority |
USA Flat Rate | Australia Post International Express (EMS) | 5–9 business days | $25 USD; FREE over $250 USD | Duties/taxes covered under $800 USD |
USA Express | DHL / FedEx Express | 3–6 business days | $45 USD | Duties/taxes over $800 USD paid by customer |
New Zealand | Australia Post International Express | 7–28 business days | $15 AUD | 15% GST on orders under $1000 NZD |
Rest of World | Australia Post International Express | 7–14 business days | $35 AUD | Local duties/taxes may apply |
WHEN YOU PURCHASE A SMILE PRODUCT, WE GIVE A SMILE TO THE CHILDREN OF FORGET ME NOT WITH A CASH DONATION.
We are raising funds for our charity partner Forget Me Not Australia, who work with local organisations in Nepal, India and Uganda to reunite trafficked kids with their families and provide support to help keep families together.
Shop the range and be part of the change.

